body part consiting of several kinds of tissue and has a particular job.
smallest living unit of the body.
a group of cells that work together to perform a job
group of organs that work together to perform an important function
strong, flexible tissue on the ends of some bones, providing a cushion where bones come together, also flexible parts of ears and nose
strong cords of tissue that connect the bones in your joints (bone-bone)
the point at which two bones meet
allows bones to move back and forth, knees + elbows
allows wide range of movement, shoulder + hip
does not move, bony plates of the skull
deformity of the spin in which the spin develops an S-shaped curve when viewed from behind.
disease in which the bones become thin and brittle which increases the risk for fractures
stretching or partial tearing of ligaments; pain and inflammation.
tough bands of tissue that attach muscle to bones
muscles that you control; open and close your hand, help you walk
muscles you do not control; heart, stomach muscles, intestinal muscles
muscle found in body organs, blood vessels, and glands (involuntary)
muscle attached to bone (voluntary)
muscle found only in the walls of the heart (involuntary)
bend your arm at the elbow
raises your head and shoulders
extends your foot when you walk on tiptoe
raises your upper arm
raises your leg
straightens your arm at the elbow
occurs when a muscle is stretched too far
muscle contracts suddenly and fails to relax; can occur because of overuse or dehydration
lower pack pain
caused by poor health habits such as poor posture and lack of exercise (weak abdominal muscles)
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